Biology, asked by sarmestha11511, 2 months ago

Majorly, lichens are the pollution indicators of
(A) CO
(B) Mercury
(C) NO2
(D) SO2

Answers

Answered by riyadhumallm
0

Answer:

(D) SO2

Explanation:

  • Lichens indicates the SO2 pollution.
  • As lichens are affected by certain pollutants they are  very good pollution indicators.
  • Lichens grow only in areas which are free from pollution , they do not grown in areas which are polluted .
  • Therefore they do not grow in SO2 polluted areas.
  • Lichens have a symbiotic association between algae which is called as phycobiont and symbiotic association with fungi called as  mycobiont component.
  • Thus, they are good pollution indicators and the correct answer is SO2 pollution.

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